On Pittsburgh's North Side, the aviary was built on the site of an old Civil War prison. It is said that the ghosts of the former Confederate prisoners roam through its halls.
Built on the site of an old cemetery, it is believed that unknown spirits haunt the shelves at night leaving little messages for the living to find.
All ghost sightings were initially believed to be nothing more than a historic business ploy, scaring steel workers into paying the original 2 cents fare. However, recent events prove otherwise.
Former home of Mrs. Soffel, who helped the infamous Biddle Brothers escape from jail only to be captured with them. Her spirit is said to haunt her former dwelling, the last place she was happy.
